- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/72 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing phosphorus also containing halogen, e.g. halophosphates
Patent holdings for IPC class C09K 11/72
Total number of patents in this class: 43
10-year publication summary
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1
|
4
|
3
|
2
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2
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4
|
2
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0
|
1
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3
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 157719 |
7 |
| Nippon Electric Glass Co., Ltd. | 2555 |
4 |
| Shoei Chemical Inc. | 332 |
4 |
| Toshiba Materials Co., Ltd. | 563 |
4 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6178 |
4 |
| Panasonic Corporation | 19019 |
1 |
| Hamamatsu Photonics K.K. | 4681 |
1 |
| Nichia Corporation | 3874 |
1 |
| Central Glass Company, Limited | 1293 |
1 |
| Drexel University | 1001 |
1 |
| Evident Technologies | 10 |
1 |
| Force4 Corp. | 6 |
1 |
| IUCF-HYU (Industry-University Cooperation Foundation Hanyang University) | 1656 |
1 |
| Kureha Corporation | 1059 |
1 |
| Nagasaki Prefectural Government | 4 |
1 |
| Osaka University | 3267 |
1 |
| SN Display Co., Ltd. | 26 |
1 |
| Sun Yat-sen University | 731 |
1 |
| Tokai University Educational System | 171 |
1 |
| Tokuyama Corporation | 1477 |
1 |
| Other owners | 5 |